Suppose -4*s + 5*r = 0, 4*s = 5*r - r. Let t be (0 - s)/(0 + 2). Let i = t + 3. Solve w = -i*w + 4 for w.

1

Suppose -b - 4*b = 0. Suppose -3*m + 0*m = 150. Let f = -35 - m. Solve -l - 2*l - f = b for l.

-5

Suppose 2*k + 126 = 5*t + k, -k + 99 = 4*t. Suppose -q - 3 = -2*r, 7 - t = -2*q - 4*r. Solve m = 4*m - q for m.

1

Suppose -4*w = -7*w + l - 22, 4*w + 16 = -2*l. Suppose -2*a - 35 = -2*p - 7*a, -3*a = -5*p + 41. Let z = p + w. Solve -6*y + 2*y + z = 0 for y.

1

Let i = 2 - 20. Let r = -18 - i. Solve r*j = -j for j.

0

Let b(l) be the first derivative of -l**2⁄2 + 7*l - 4. Let h be b(5). Solve -h*c + 0*c = 6 for c.

-3

Let r(a) = -a**3 + 2*a + 5. Let c be r(0). Solve 0 = h - 6*h + c for h.

1

Let y(l) = -2*l + 34. Let a be y(15). Solve 0 = -0*i + 2*i + a for i.

-2

Let k be (6/(-4))/(15/(-40)). Suppose -k = p - 0*p. Let s(j) = -j - 1. Let z be s(p). Solve -x = z*x - 4 for x.

1

Let i be (5⁄3)/((-1)/(-3)). Let u = -3 - -11. Suppose u*c - 5*k = 4*c + 26, 0 = 3*c + i*k - 37. Solve 7 + c = 4*n for n.

4